Learning to Program in C++

Go to the Head of the class

I haven't misled you on that point; there is another scope called class scope, which applies to all member variables of a class. Variables with class scope occupy separate memory locations for each object of a given class; i.e., each object has its own separate set of member variables distinct from the member variables of any other objects of the same type.^[7] In the case of StockItem, this set of member variables consists of m_InStock, m_Price, m_Name, m_Distributor, and m_UPC. Member functions of a class can access member variables of objects of that class without defining them, as though they were global variables.

^[7] Actually, I'm describing "normal" member variables here. There is another kind of member variable, ...